﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace MVVM.Demo.StockProvider
{
    public interface IQuoteSource
    {
        void Subscribe(string symbol);
        
        /// <summary>
        /// Fired each time a quote arrives.
        /// </summary>
        event Action<Quote> QuoteArrived;
    }
}
